I write a program read the data from excel,everything is ok,but when i read the chinese,there a problem,it show the garble.Can everyone help me! Thank you!

This is my code:

# !usr/bin/perl -w use strict; use Win32::OLE; use Win32::OLE::Const 'Microsoft Excel'; use Log; use Data::Dumper; use Cwd; use Spreadsheet::ParseExcel; use Spreadsheet::WriteExcel; use Spreadsheet::ParseExcel::FmtUnicode; use Unicode::Map(); use Encode;